Step 1:
The first step to converting 8571.645 to a fraction is to re-write 8571.645 in the form p/q where p and q are both positive integers. To start with, 8571.645 can be written as simply 8571.645/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 8571.645, which in this case is 3. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 8571.645/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 8571.645/1 each by 1000:
Step 3:
Now the last step is to simplify the fraction (if possible) by finding similar factors and cancelling them out, which leads to the following answer for 8571.645 as a fraction:
120003/14 / 1